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тАО01-15-2003 06:48 AM
тАО01-15-2003 06:48 AM
Recovery troubles
I've got a problem when I try to recover files from a tape. The Fbackup works well with some warnings in the log, but successfull end.
And when I try to restore a directory (/etc for example), I've got this message:
Starting file recovery...
frecover(2105): did not find expected file marker
frecover(5419): checksum on volume header is incorrect.
frecover(5420): not an fbackup volume; magic value is incorrect
frecover(2105): did not find expected file marker
frecover(5412): Do you wish to try to salvage this volume? (^[yY]/^[nN])
Have you got any idea?
Thanks in advance
Best Regards
J??r??me
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тАО01-15-2003 06:56 AM
тАО01-15-2003 06:56 AM
Re: Recovery troubles
it seams that the volume header couldn't be read.
Please try following command:
# dd if= of= bs=64k ; frecover -ryvf 'of'
Regards ...
Armin
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тАО01-15-2003 06:57 AM
тАО01-15-2003 06:57 AM
Re: Recovery troubles
# dd bs=256k < /dev/rmt/1m | frecover -r -v -f -
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тАО01-15-2003 07:16 AM
тАО01-15-2003 07:16 AM
Re: Recovery troubles
I've got this message:
# dd if=/dev/rmt/0m of=/tmp/bootsect bs=256k; frecover -rvf /tmp/bootsect
0+5683 records in
0+5683 records out
frecover(5419): checksum on volume header is incorrect.
frecover(5420): not an fbackup volume; magic value is incorrect
frecover(5412): Do you wish to try to salvage this volume? (^[yY]/^[nN])
Thanks for your help
Regards
J??r??me
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тАО01-15-2003 07:26 AM
тАО01-15-2003 07:26 AM
Re: Recovery troubles
Regards ...
Armin
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тАО01-15-2003 07:28 AM
тАО01-15-2003 07:28 AM
Re: Recovery troubles
Was the data backed up using fbackup. If so, you should try frecover. If the data was backed up using some other backup utility like tar or cpio you should use tar or cpio to recover the data.
Hope this helps.
Regds
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тАО01-15-2003 07:35 AM
тАО01-15-2003 07:35 AM
Re: Recovery troubles
Best regards...
Dietmar.
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тАО01-15-2003 07:41 AM
тАО01-15-2003 07:41 AM
Re: Recovery troubles
Thanks all for your answers.
I've used fbackup to perform the bck, so it is very strange that the header has been modified.
Regards
J??r??me
PS: I've opened the file created by the dd, and find some orace sql commands.????
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тАО01-15-2003 07:43 AM
тАО01-15-2003 07:43 AM
Re: Recovery troubles
This is a DLT8000.
Regards
J??r??me
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тАО01-15-2003 07:56 AM
тАО01-15-2003 07:56 AM
Re: Recovery troubles
Just as an FYI - put a 'mt -f /dev/rmt/0m offl' in your backup script so that the tape will be put offline after the backup finishes so no one else can write to it.